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混凝土界面剂对保温砂浆的影响

时间:2016-01-18     作者:www.hdbwsj.com【原创】   阅读

混凝土界面剂用于处理混凝土、加气混凝土、灰砂砖及粉煤灰砖等表面,解决由于这些表面吸水性强或光滑引起界面不易粘接,可以大大增强新旧混凝土之间以及混凝土与抹灰砂浆的粘结力,避免抹灰层空鼓,脱落,收缩开裂等问题。无机保温砂浆抹灰一次成型厚度在至少1.5公分,并且属于软质材料,相对其它抹灰砂浆来说很难进行压实处理。

Concrete interface agent to deal with concrete, fly ash brick and aerated concrete, lime-sand brick surface, the solution due to the strong water imbibition or smooth surface interface bonding not easily, can greatly enhance the between old and new concrete and concrete and plaster mortar bond, avoid floated coat empty drum, fall off, the problem such as shrinkage cracking. Inorganic insulation mortar plaster molding thickness at least 1.5 cm at a time, and belong to the soft materials, relative to other plaster mortar is hard to compaction process.

另一方面,由于使用质量差的玻化微珠,硬化后的无机保温砂浆具有吸水量大,易收缩开裂等问题,无机保温施工的基层墙体界面剂选择和使用就显得极其重要,处理不当极易产生空鼓开裂。在做无机保温施工前,要分析墙面属于哪种类型,根据墙面的特征,选择合适的界面处理剂。加气混凝土或者是加气块墙体,要考虑能够封闭基材的空隙,减少墙体的吸水性,达到阻缓、降低砌块抽吸抹灰砂浆内的水分,保证抹灰砂浆在更佳条件下凝胶硬化。在砌块与抹面之间起到粘结搭桥的作用,保证上墙后砂浆与砌体更加容易结合为一个牢固的整体。

On the other hand, due to the use of low quality vitrified beads, hardened inorganic insulation mortar has water quantity is big, easy shrinkage cracking problems of inorganic insulation construction of wall interface agent selection and use is extremely important, improper handling susceptible to empty drum craze. Before do inorganic insulation construction, to analyze wall belongs to which type, according to the characteristics of metope, select the appropriate interface treatment agent. Aerated concrete or aerated block wall, want to consider to close the gap base material, reduce the water walls, resistance to slow, reduce the moisture in the block suction plastering mortar, ensure plastering mortar gel hardening in better condition. Between the block and the plaster have the effect of bonding bypass, guarantee on the wall after the mortar combined with masonry easier for a firm as a whole.

加气块所用的界面剂,必须要有大于10min的晾置时间,只有这样才可以保证施工性,和易性,剪切粘接强度大于1.0MPa,在经过浸水处理,热处理,耐冻融循环处理,碱性处理后,都要大于0.3MPa的拉伸战绩诶强度。混凝土表面光滑,使用界面处理剂后,能牢固粘结基层,又能很好的被新的保温层粘结作用,是一种双向亲和力的材料,避免保温层出现空鼓、开裂、脱落现象的发生。

Aerated block of interface agent, must want to have more than 10 min air buy time, only in this way can guarantee the construction and workability, shear bonding strength is greater than 1.0 MPa, after soaking treatment, heat treatment, resistance to freezing and thawing circulation processing, after alkali treatment, should be greater than 0.3 MPa tensile record showing strength. Concrete surface is smooth, after using the interface treatment agent, can strong bonding at the grass-roots level, and can be a new good insulation bonding effect, is a two-way affinity of the material, avoid insulation layer in empty drum, cracks, fall off.

如果混凝土界面剂用在加气混凝土砌块上,会出现墙面快速吸干界面剂中的水分,界面剂失去水后,水泥得不到充分水化,强队会非常低,就失去了使用界面剂的作用,不仅起不到粘结搭桥作用,无法实现双向亲和力的作用,反而会大大降低。

If concrete interface agent used in aerated concrete block, metope appears fast blot moisture in the interface agent, interface agent lose after water, cement is not fully hydrated, teams will be very low, lost to use the function of interface agent, less than bond bridge role, not only cannot achieve the role of mutual affinity, can greatly reduce instead.

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